Product Description

A563 Grade A Hex Coupling Nut Zinc Plated . A double chamfered hex nut used to join to externally threaded parts of equal diameter and pitch, often two pieces of threaded rod. Manufactured from 1010 – 1018 equivalent steel. Hardness = Rockwell B68 – C32 Tensile strength = 60,000 psi. minimum. Note – there is no single standard for coupling nut dimensions. These values are offered as a guide; deviations from these specifications may occur.

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